protected void BtnExport_Click(object sender, EventArgs e)
        {
            DateTime dt = DateTime.Now;

            Response.ClearContent();
            Response.AddHeader("content-disposition", "attachment; filename=" + string.Format("{0:yyyyMMddHHmmss}", dt) + ".xls");
            Response.ContentType = "application/excel";
            StringWriter sw = new StringWriter();

            HtmlTextWriter htw = new HtmlTextWriter(sw);

            GVData.Page.EnableViewState = false;

            GVData.AllowPaging         = false;
            GVData.Columns[15].Visible = false;

            GVDataDataBind();

            GVData.RenderControl(htw);

            Response.Write(sw.ToString());
            Response.End();

            GVData.Page.EnableViewState = true;
            GVData.AllowPaging          = true;
            GVData.Columns[15].Visible  = true;

            GVDataDataBind();
        }
    protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
    {
        if (this.RadioButtonList1.SelectedItem.Text == "电子表格")
        {
            DisableControls(GVData);
            Response.ClearContent();
            Response.Charset         = "GB2312";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

            Response.AddHeader("content-disposition", "attachment; filename=" + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + ".xls");
            Response.ContentType = "application/ms-excel";
            System.IO.StringWriter sw = new System.IO.StringWriter();

            HtmlTextWriter htw = new HtmlTextWriter(sw);
            GVData.RenderControl(htw);
            Response.Write(sw.ToString());
            Response.End();
        }
        else
        {
            DisableControls(GVData);
            Response.ClearContent();
            Response.Charset         = "GB2312";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

            Response.AddHeader("content-disposition", "attachment; filename=" + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + ".htm");
            Response.ContentType = "text/HTML";
            System.IO.StringWriter sw = new System.IO.StringWriter();

            HtmlTextWriter htw = new HtmlTextWriter(sw);
            GVData.RenderControl(htw);
            Response.Write(sw.ToString());
            Response.End();
        }
    }
 protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
 {
     DisableControls(GVData);
     Response.ClearContent();
     Response.Charset = "GB2312";
     Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
     Response.AddHeader("content-disposition", "attachment; filename=" + DateTime.Now.ToShortDateString() + ".xls");
     Response.ContentType = "application/ms-excel";
     System.IO.StringWriter sw = new System.IO.StringWriter();
     HtmlTextWriter htw = new HtmlTextWriter(sw);
     GVData.RenderControl(htw);
     Response.Write(sw.ToString());
     Response.End();
 }
        protected void BtnHtmlToExcel_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            Response.AddHeader("content-disposition", "attachment; filename=wuzixuqiu.xls");
            Response.ContentType = "application/excel";
            StringWriter   sw  = new StringWriter();
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            GVData.AllowPaging = false;
            GVData.Columns[GVData.Columns.Count - 2].Visible = false;
            GVData.Columns[GVData.Columns.Count - 1].Visible = false;
            GVDataBind();

            GVData.RenderControl(htw);
            Response.Write(sw.ToString());
            Response.End();
            GVData.AllowPaging = true;
            GVData.Columns[GVData.Columns.Count - 2].Visible = true;
            GVData.Columns[GVData.Columns.Count - 1].Visible = true;
            GVDataBind();
        }
        protected void BtnExportExcel_Click(object sender, EventArgs e)
        {
            DateTime dt = DateTime.Now;

            Response.ClearContent();

            Response.AddHeader("content-disposition", "attachment; filename=" + string.Format("{0:yyyyMMddHHmmss}", dt) + ".xls");
            Response.ContentType = "application/excel";
            Response.Write(@"<style> .TextCell {mso-number-format:\@;}</style>");

            StringWriter   sw  = new StringWriter();
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            GVData.AllowPaging = false;
            query();
            GVData.RenderControl(htw);
            Response.Write(sw.ToString());
            Response.End();

            GVData.AllowPaging = true;

            query();
        }